TitleDifficultyCompaniesVideos
Remove All Adjacent Duplicates In String 1Easyamazon bloomberg facebook google oracle paypal paytm
Max Area of Island ProblemMediumadobe affirm amazon apple bloomberg bytedance cruise-automation doordash facebook google intuit mathworks microsoft oracle palantir-technologies qualtrics twitch uber wish zillow
Number of ProvincesMediumadobe amazon atlassian bloomberg drawbridge ebay facebook goldman-sachs google linkedin microsoft pocket-gems salesforce twitter two-sigma uber
Subarray Sum Equals KMediumadobe amazon apple bloomberg ebay expedia facebook goldman-sachs google indeed linkedin microsoft oracle quora snapchat twilio uber wish yahoo yandex
Island Perimeter ProblemEasyamazon apple bloomberg facebook google microsoft
All O`one Data Structure ProblemHardamazon bloomberg facebook google linkedin microsoft uber
Flatten a Multilevel Doubly Linked List ProblemMediumamazon apple bloomberg facebook google microsoft uber
Valid Word SquareEasybloomberg google
Add Strings ProblemEasyadobe airbnb amazon apple bloomberg bytedance facebook google microsoft nvidia oracle snapchat square
Daily Temperatures ProblemMediumadobe amazon apple bloomberg cisco expedia facebook goldman-sachs google linkedin microsoft nvidia uber zillow
Path Sum 3 - Count paths from parent to childMediumamazon bloomberg facebook microsoft oracle quora uber zillow
Maximum Subarray SumMediumadobe alibaba amazon apple asana atlassian bloomberg bytedance capital-one cisco citadel ebay expedia facebook goldman-sachs google ibm intel jpmorgan linkedin microsoft morgan-stanley nvidia oracle palantir-technologies paypal qualcomm salesforce sap two-sigma uber visa wayfair yahoo zillow
Find the Index of the First Occurrence in a StringEasyadobe amazon apple bloomberg citadel dropbox ebay facebook google microsoft oracle paypal pocket-gems vmware yahoo yandex
Hand of Straights ProblemMediumbloomberg coupang ebay google
Convert Binary Search Tree to Sorted Doubly Linked List ProblemMediumamazon bloomberg databricks facebook google lyft microsoft oracle uber vmware
Sparse Matrix MultiplicationMediumamazon apple bloomberg facebook google linkedin microsoft snapchat uber
Vertical Order Traversal of a Binary Tree ProblemHardadobe amazon bloomberg databricks facebook google linkedin microsoft reddit samsung
Longest Substring with At Least K Repeating Characters ProblemMediumadobe amazon baidu bloomberg bytedance facebook google uber
Peak Index in a Mountain ArrayMediumamazon bloomberg facebook google microsoft quora uber
Lexicographical Numbers ProblemMediumadobe bloomberg bytedance google
Next Greater Element 2Mediumamazon bloomberg facebook google microsoft oracle yahoo
Design Hit CounterMediumaffirm amazon apple atlassian bloomberg bookingcom dropbox google indeed linkedin microsoft netflix oracle pinterest quip snapchat uber visa yahoo zillow
Managers with at Least 5 Direct Reports ProblemMediumamazon bloomberg
Flatten Nested List Iterator ProblemMediumairbnb amazon apple atlassian bloomberg ebay facebook google linkedin lyft microsoft oracle pinterest snapchat splunk twitter uber vmware
Intersection of Two Arrays 2 - Duplicates allowedEasyamazon apple bloomberg bytedance databricks facebook google linkedin microsoft oracle salesforce uber yandex
Intersection of Two Arrays 1 - Unique ElementsEasyamazon apple bloomberg bytedance facebook google indeed jpmorgan linkedin lyft microsoft oracle two-sigma uber yelp
Design Tic-Tac-Toe ProblemMediumamazon apple bloomberg doordash facebook google microsoft salesforce triplebyte uber
Longest Substring with At Most K Distinct Characters ProblemMediumamazon appdynamics bloomberg citadel coupang facebook google microsoft oracle snapchat uber wish
Minimum Height TreesMediumamazon apple bloomberg facebook google snapchat
Longest Consecutive Sequence ProblemMediumadobe amazon apple bloomberg facebook google microsoft nutanix oracle paypal spotify uber wish
Second Highest Salary ProblemMediumadobe amazon apple bloomberg ebay facebook google microsoft yahoo
Big Countries ProblemEasyadobe bloomberg
Add Two Numbers represented as Linked List in ForwardMediumamazon apple bloomberg bytedance cisco ebay facebook goldman-sachs google microsoft oracle uber yahoo
Course Schedule 1 - Is it PossibleMediumamazon apple bloomberg bytedance cisco cohesity ebay facebook goldman-sachs google intuit linkedin microsoft nutanix oracle paypal salesforce uber wish yahoo yelp zenefits
Course Schedule 2 - Get Ordered CoursesMediumairbnb amazon apple bloomberg doordash facebook google intuit microsoft nutanix oracle pinterest snapchat twitter uber wayfair zenefits
All Nodes Distance K in Binary TreeMediumamazon apple bloomberg bytedance didi facebook google hulu microsoft oracle uber yahoo
Kth Largest Element in an ArrayMediumadobe airbnb alibaba amazon apple atlassian baidu bloomberg bytedance ebay expedia facebook goldman-sachs google grab jpmorgan linkedin microsoft oracle pocket-gems salesforce snapchat spotify tencent uber vmware yahoo
Divide Two Integers ProblemMediumadobe amazon apple bloomberg context-logic facebook google microsoft oracle riot-games
Dutch National Flag DNFMediumamazon apple bloomberg ebay facebook google linkedin microsoft oracle paypal pocket-gems pure-storage uber vmware yahoo
Sliding Window MaximumHardadobe alibaba amazon apple bloomberg bytedance citadel coursera databricks facebook google lyft microsoft nutanix oracle pinterest roblox twitter uber vmware wish yelp zenefits
Unique BSTs 1 - CountMediumadobe amazon apple bloomberg expedia facebook google microsoft snapchat wish
Container With Most WaterMediumadobe amazon apple bloomberg bytedance facebook goldman-sachs google lyft microsoft oracle uber vmware yahoo
Count Complete Tree Nodes ProblemEasyamazon bloomberg bytedance facebook google microsoft yahoo
Lowest Common Ancestor of a Binary TreeMediumadobe airbnb amazon apple atlassian bloomberg bytedance ebay facebook google intuit linkedin microsoft oracle paypal pinterest salesforce splunk uber visa yahoo zillow
Pascal’s Triangle 1 - Generate first n rowsEasyadobe amazon apple bloomberg facebook goldman-sachs google microsoft twitter uber
Binary Tree Inorder TraversalEasyalibaba amazon apple bloomberg bytedance facebook google microsoft oracle sap uber
Count Univalue Subtrees ProblemMediumamazon bloomberg box ebay facebook google
Generate Parentheses ProblemMediumadobe alibaba amazon apple atlassian bloomberg bytedance cisco facebook google lyft microsoft nutanix nvidia salesforce samsung sap snapchat spotify uber yahoo yandex yelp zenefits
Inorder Successor in Binary Search TreeMediumamazon bloomberg citadel facebook google microsoft palantir-technologies pocket-gems quip zillow
Inorder Successor in Binary Search Tree Using Parent linkMediumbloomberg google microsoft quip